Fleur

Fleur is Leonard's classmate. Because of her personality, she often got bullied by some girls on her school. Leo often seeing her got bullied, and he helps her dealing with them. Fleur got crushed on him the first time he helps her. Too bad, Leo never noticed it. Fleur hides her power and identity from her classmates because she had to keep the Crystal safe. Nobody knows that her family guarding the healing crystal.

Fleur is from endangered clan Flora, they can manipulate plants as their will. They have a healing crystal that passed through generation. When the crystal is on her family's hand, mysterious plant manipulator invading their house. The crystal are gone, along with Fleur. 

A month later, Leo and his friends got a mission to find that healing crystal from the King itself. Since the crystal are they looking for is a rare one, and the clan who protect it is vanish, the mission is really tricky. Leonard and his friend's master come along in their journey. The forest they need to enter is very dangerous because the plants can trick them.They encounter attacks and got separated.

Long story short, they met Fleur and manage to escape from that forest with her. Fleur now joins Leonard's group. She continues guarding the crystal and practice for battles in the basecamp.

Fleur often stalking Leo from distance before she became his girlfriend. Her friends (except Leo) are noticing this and helps her somehow~